PSP ISOs are copies of UMD (Universal Media Disc) games, which were used for PlayStation Portable games. These ISOs can be backups of your own games or legally obtained through various means.
For the truly advanced user, the DaedalusX64 emulator (updated 2023) can run Super Mario 64 on the PSP at 20-25 FPS. super mario bros psp iso download upd best
Do not search for “Super Mario Bros. PSP ISO download upd best” — that’s a magnet for viruses and legal risk. Instead, search: PSP ISOs are copies of UMD (Universal Media
“How to run NES emulator on PSP custom firmware”
“Best PSP homebrew platformers” Do not search for “Super Mario Bros